Regulation Best Ex: Investors’ ‘new bestie’ or just extra hassle?

The SEC's proposed best execution regulation has ruffled some feathers. With a host of key details still to be resolved, industry experts say the rule in its current form could represent a big change in the way orders are handled.

In an explainer video posted recently on the Securities and Exchange Commission’s (SEC’s) YouTube channel, chair Gary Gensler introduces viewers to a new rule proposed by the Commission: Regulation Best Execution. Armed with an inoffensive soundtrack, quirky animations, and some dubious puns, Gensler sets out what the rule proposes to do and why investors should care. “Best ex might just turn out to be investors’ new bestie,” he quips.

Not all market participants are as upbeat as Gensler. The

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